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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "content/browser/speech/audio_buffer.h" | 5 #include "content/browser/speech/audio_buffer.h" |
| 6 #include "content/browser/speech/endpointer/endpointer.h" | 6 #include "content/browser/speech/endpointer/endpointer.h" |
| 7 #include "testing/gtest/include/gtest/gtest.h" | 7 #include "testing/gtest/include/gtest/gtest.h" |
| 8 | 8 |
| 9 namespace { | 9 namespace { |
| 10 const int kFrameRate = 50; // 20 ms long frames for AMR encoding. | 10 const int kFrameRate = 50; // 20 ms long frames for AMR encoding. |
| 11 const int kSampleRate = 8000; // 8 k samples per second for AMR encoding. | 11 const int kSampleRate = 8000; // 8 k samples per second for AMR encoding. |
| 12 | 12 |
| 13 // At 8 sample per second a 20 ms frame is 160 samples, which corrsponds | 13 // At 8 sample per second a 20 ms frame is 160 samples, which corrsponds |
| 14 // to the AMR codec. | 14 // to the AMR codec. |
| 15 const int kFrameSize = kSampleRate / kFrameRate; // 160 samples. | 15 const int kFrameSize = kSampleRate / kFrameRate; // 160 samples. |
| 16 COMPILE_ASSERT(kFrameSize == 160, invalid_frame_size); | 16 static_assert(kFrameSize == 160, "invalid frame size"); |
| 17 } | 17 } |
| 18 | 18 |
| 19 namespace content { | 19 namespace content { |
| 20 | 20 |
| 21 class FrameProcessor { | 21 class FrameProcessor { |
| 22 public: | 22 public: |
| 23 // Process a single frame of test audio samples. | 23 // Process a single frame of test audio samples. |
| 24 virtual EpStatus ProcessFrame(int64 time, int16* samples, int frame_size) = 0; | 24 virtual EpStatus ProcessFrame(int64 time, int16* samples, int frame_size) = 0; |
| 25 }; | 25 }; |
| 26 | 26 |
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| 139 endpointer.set_speech_input_complete_silence_length(long_timeout); | 139 endpointer.set_speech_input_complete_silence_length(long_timeout); |
| 140 endpointer.StartSession(); | 140 endpointer.StartSession(); |
| 141 | 141 |
| 142 EndpointerFrameProcessor frame_processor(&endpointer); | 142 EndpointerFrameProcessor frame_processor(&endpointer); |
| 143 RunEndpointerEventsTest(&frame_processor); | 143 RunEndpointerEventsTest(&frame_processor); |
| 144 | 144 |
| 145 endpointer.EndSession(); | 145 endpointer.EndSession(); |
| 146 } | 146 } |
| 147 | 147 |
| 148 } // namespace content | 148 } // namespace content |
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